By LYNN ELBER, AP Television Writer LOS ANGELES (AP) — Liz Sheridan, who played doting mother to Jerry Seinfeld on his hit sitcom, died early Friday. She was 93. Sheridan died in her snooze from normal results in, 5 times soon after her April 10 birthday, mentioned Amanda Hendon, her longtime representative and friend. She did not deliver further more details, like where by Sheridan was living. Her “Seinfeld” position as Helen was her ideal regarded but adopted a long time of work on stage and display. In the 1970s, Sheridan appeared on Broadway in performs and musicals, the latter which include “Happy End” with Meryl Streep and “Ballroom.” “She…